How do I do topmod style loops in Blender?
I'm not completely sure about your question but if you want to do what we see on the top right:

Create a flat vertical curve, Create a rectangle, give it an Array modifier:



Twist it with a Simple Deform modifier / Twist mode (Z axis here):



Give it a Curve modifier with the curve as Curve Object:



Bend your curve. Make sure that its normals go in the right direction. Add more array count if necessary:



If you need the tip of the curve to stick to a face, first hook it to an empty, then parent the empty to 3 vertices of the face: